主(🈯)人(🕕)公洪三(👷)携母亲和好友齐(qí )林到上(🐌)海投(tóu )奔(bēn )严华,卷入两大公(gōng )司(sī )(🤢)权(quán )利斗争。严(yán )(🎹)华此(cǐ )时是一(yī )名码头工人,他不(😧)畏强权(🌫)被推(tuī )举为工(gōng )人领(lǐng )袖(xiù )。洪(hóng )三则凭借机智多(duō )次(cì )在凶(xiōng )险的上(shàng )海滩化(🙍)险为(✳)夷(🔲)。洪三(🚉)与忠义之士沈达义结金兰(😚),与(yǔ )来(🙁)上(😻)海报(🖍)父仇的林依依在斗智斗勇中成(🌙)为(📎)莫逆(nì ),女扮男装(🚨)的(🛑)林依(yī )依爱上洪三。洪三接(jiē )近富家女(nǚ ) 于梦竹,于梦竹爱上(🌞)洪三。严华遇险,为共(gòng )产党(⛏)人梁兴(👃)义(🧤)所救,加入共产(💠)党。林(lín )依依为报仇(chóu )铤(dìng )而走险,洪三与(yǔ )其奔走天(tiān )涯。林(💔)依(🏉)依(yī )遇难(👊),洪三(🚗)重(🐾)回上海滩。在(zài )严(yán )华和梁(👪)兴(xìng )义进步(🌪)思想的(🚶)感召下,洪三放(fàng )(🏒)弃来(lái )之不(bú )易的“美好生活”,为护送梁兴义离开(kāi )上海(hǎi )倾其所有(yǒu )甚至生命。洪三逐(zhú )渐懂得,共产党(🌸)带领的这(zhè )条道(dào )(🍁)路(lù )(🔲),才是(😳)他所想(xiǎng )追求(🍺)的远大前程。